This release of sbt-scalafmt uses sbt 1.3, which isn't forward-compatible with previous versions of sbt 1 (e.g. sbt 1.2.8). That means your build must on sbt 1.3 in order for it to use it.
What’s Changed
- Update scalafmt-dynamic to 2.2.1 (#66) @scala-steward
- Update sbt, scripted-plugin to 1.3.3 (#60) @scala-steward
- Remove sbt-coursier (#59) @tanishiking
- Managed sources filter (#54) @poslegm